1
GATE CSE 2019
Numerical
+1
-0.33
The following C program is executed on a Unix/Linux system:

         #include < unistd.h >
            int main ()
            {
                  int i ;
                  for (i=0; i<10; i++)
                         if (i%2 == 0) fork ( ) ;
                  return 0 ;
            }


The total number of child processes created is _____.
Your input ____
2
GATE CSE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider an arbitrary set of $$CPU$$-bound processes with unequal $$CPU$$ burst lengths submitted at the same time to a computer system. Which one of the following process scheduling algorithms would minimize the average waiting time in the ready queue?
A
Shortest remaining time first
B
Round-robin with time quantum less than the shortest $$CPU$$ burst
C
Uniform random
D
Highest priority first with priority proportional to $$CPU$$ burst length
3
GATE CSE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The maximum number of processes that can be in $$Ready$$ state for a computer system with $$n$$ $$CPUs$$ is
A
$$n$$
B
$${n^2}$$
C
$${2^n}$$
D
Independent of $$n$$
4
GATE CSE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is FALSE?
A
User level threads are not scheduled by the kernel.
B
When a user level thread is blocked, all other threads of its process are blocked.
C
Context switching between user level threads is faster than context switching between kernel level threads.
D
Kernel level threads cannot share the code segment.
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